// SPDX-License-Identifier: GPL-2.0
/*
 * Device Tree Source for the iWave-RZ/G1H Qseven board development
 * platform with camera daughter board
 *
 * Copyright (C) 2020 Renesas Electronics Corp.
 */

/dts-v1/;
#include "r8a7742-iwg21d-q7.dts"

/ {
	model = "iWave Systems RZ/G1H Qseven development platform with camera add-on";
	compatible = "iwave,g21d", "iwave,g21m", "renesas,r8a7742";

	aliases {
		serial0 = &scif0;
		serial1 = &scif1;
		serial3 = &scifb1;
		serial5 = &hscif0;
		ethernet1 = &ether;
	};

	mclk_cam1: mclk-cam1 {
		compatible = "fixed-clock";
		#clock-cells = <0>;
		clock-frequency = <26000000>;
	};

	mclk_cam2: mclk-cam2 {
		compatible = "fixed-clock";
		#clock-cells = <0>;
		clock-frequency = <26000000>;
	};

	mclk_cam3: mclk-cam3 {
		compatible = "fixed-clock";
		#clock-cells = <0>;
		clock-frequency = <26000000>;
	};

	mclk_cam4: mclk-cam4 {
		compatible = "fixed-clock";
		#clock-cells = <0>;
		clock-frequency = <26000000>;
	};
};

&avb {
	/* Pins shared with VIN0, keep status disabled */
	status = "disabled";
};

&can0 {
	pinctrl-0 = <&can0_pins>;
	pinctrl-names = "default";
	status = "okay";
};

&ether {
	pinctrl-0 = <&ether_pins>;
	pinctrl-names = "default";

	phy-handle = <&phy1>;
	renesas,ether-link-active-low;
	status = "okay";

	phy1: ethernet-phy@1 {
		reg = <1>;
		micrel,led-mode = <1>;
	};
};

&gpio0 {
	/* Disable hogging GP0_18 to output LOW */
	/delete-node/ qspi_en;

	/* Hog GP0_18 to output HIGH to enable VIN2 */
	vin2_en {
		gpio-hog;
		gpios = <18 GPIO_ACTIVE_HIGH>;
		output-high;
		line-name = "VIN2_EN";
	};
};

&hscif0 {
	pinctrl-0 = <&hscif0_pins>;
	pinctrl-names = "default";
	uart-has-rtscts;
	status = "okay";
};

&i2c1 {
	pinctrl-0 = <&i2c1_pins>;
	pinctrl-names = "default";

	/* status set to "okay" when needed by camera configuration below */
	clock-frequency = <400000>;
};

&i2c3 {
	pinctrl-0 = <&i2c3_pins>;
	pinctrl-names = "default";

	/* status set to "okay" when needed by camera configuration below */
	clock-frequency = <400000>;
};

&pfc {
	can0_pins: can0 {
		groups = "can0_data_d";
		function = "can0";
	};

	ether_pins: ether {
		groups = "eth_mdio", "eth_rmii";
		function = "eth";
	};

	hscif0_pins: hscif0 {
		groups = "hscif0_data", "hscif0_ctrl";
		function = "hscif0";
	};

	i2c1_pins: i2c1 {
		groups = "i2c1_c";
		function = "i2c1";
	};

	i2c3_pins: i2c3 {
		groups = "i2c3";
		function = "i2c3";
	};

	scif0_pins: scif0 {
		groups = "scif0_data";
		function = "scif0";
	};

	scif1_pins: scif1 {
		groups = "scif1_data";
		function = "scif1";
	};

	scifb1_pins: scifb1 {
		groups = "scifb1_data";
		function = "scifb1";
	};

	vin0_8bit_pins: vin0 {
		groups = "vin0_data8", "vin0_clk", "vin0_sync";
		function = "vin0";
	};

	vin1_8bit_pins: vin1 {
		groups = "vin1_data8_b", "vin1_clk_b", "vin1_sync_b";
		function = "vin1";
	};

	vin2_pins: vin2 {
		groups = "vin2_g8", "vin2_clk";
		function = "vin2";
	};

	vin3_pins: vin3 {
		groups = "vin3_data8", "vin3_clk", "vin3_sync";
		function = "vin3";
	};
};

&qspi {
	/* Pins shared with VIN2, keep status disabled */
	status = "disabled";
};

&scif0 {
	pinctrl-0 = <&scif0_pins>;
	pinctrl-names = "default";
	status = "okay";
};

&scif1 {
	pinctrl-0 = <&scif1_pins>;
	pinctrl-names = "default";
	status = "okay";
};

&scifb1 {
	pinctrl-0 = <&scifb1_pins>;
	pinctrl-names = "default";
	status = "okay";

	rts-gpios = <&gpio4 21 GPIO_ACTIVE_LOW>;
	cts-gpios = <&gpio4 17 GPIO_ACTIVE_LOW>;
};

/*
 * Below configuration ties VINx endpoints to ov5640/ov7725 camera endpoints
 *
 * (un)comment the #include statements to change configuration
 */

/* 8bit CMOS Camera 1 (J13) */
#define CAM_PARENT_I2C		i2c0
#define MCLK_CAM		mclk_cam1
#define CAM_EP			cam0ep
#define VIN_EP			vin0ep
#undef CAM_ENABLED
#include "r8a7742-iwg21d-q7-dbcm-ov5640-single.dtsi"
//#include "r8a7742-iwg21d-q7-dbcm-ov7725-single.dtsi"

#ifdef CAM_ENABLED
&vin0 {
	/*
	 * Set SW2 switch on the SOM to 'ON'
	 * Set SW1 switch on camera board to 'OFF' as we are using 8bit mode
	 */
	status = "okay";
	pinctrl-0 = <&vin0_8bit_pins>;
	pinctrl-names = "default";

	port {
		vin0ep: endpoint {
			remote-endpoint = <&cam0ep>;
			bus-width = <8>;
			bus-type = <6>;
		};
	};
};
#endif /* CAM_ENABLED */

#undef CAM_PARENT_I2C
#undef MCLK_CAM
#undef CAM_EP
#undef VIN_EP

/* 8bit CMOS Camera 2 (J14) */
#define CAM_PARENT_I2C		i2c1
#define MCLK_CAM		mclk_cam2
#define CAM_EP			cam1ep
#define VIN_EP			vin1ep
#undef CAM_ENABLED
#include "r8a7742-iwg21d-q7-dbcm-ov5640-single.dtsi"
//#include "r8a7742-iwg21d-q7-dbcm-ov7725-single.dtsi"

#ifdef CAM_ENABLED
&vin1 {
	/* Set SW1 switch on the SOM to 'ON' */
	status = "okay";
	pinctrl-0 = <&vin1_8bit_pins>;
	pinctrl-names = "default";

	port {
		vin1ep: endpoint {
			remote-endpoint = <&cam1ep>;
			bus-width = <8>;
			bus-type = <6>;
		};
	};
};

#endif /* CAM_ENABLED */

#undef CAM_PARENT_I2C
#undef MCLK_CAM
#undef CAM_EP
#undef VIN_EP

/* 8bit CMOS Camera 3 (J12) */
#define CAM_PARENT_I2C		i2c2
#define MCLK_CAM		mclk_cam3
#define CAM_EP			cam2ep
#define VIN_EP			vin2ep
#undef CAM_ENABLED
#include "r8a7742-iwg21d-q7-dbcm-ov5640-single.dtsi"
//#include "r8a7742-iwg21d-q7-dbcm-ov7725-single.dtsi"

#ifdef CAM_ENABLED
&vin2 {
	status = "okay";
	pinctrl-0 = <&vin2_pins>;
	pinctrl-names = "default";

	port {
		vin2ep: endpoint {
			remote-endpoint = <&cam2ep>;
			bus-width = <8>;
			data-shift = <8>;
			bus-type = <6>;
		};
	};
};
#endif /* CAM_ENABLED */

#undef CAM_PARENT_I2C
#undef MCLK_CAM
#undef CAM_EP
#undef VIN_EP

/* 8bit CMOS Camera 4 (J11) */
#define CAM_PARENT_I2C		i2c3
#define MCLK_CAM		mclk_cam4
#define CAM_EP			cam3ep
#define VIN_EP			vin3ep
#undef CAM_ENABLED
#include "r8a7742-iwg21d-q7-dbcm-ov5640-single.dtsi"
//#include "r8a7742-iwg21d-q7-dbcm-ov7725-single.dtsi"

#ifdef CAM_ENABLED
&vin3 {
	status = "okay";
	pinctrl-0 = <&vin3_pins>;
	pinctrl-names = "default";

	port {
		vin3ep: endpoint {
			remote-endpoint = <&cam3ep>;
			bus-width = <8>;
			bus-type = <6>;
		};
	};
};
#endif /* CAM_ENABLED */

#undef CAM_PARENT_I2C
#undef MCLK_CAM
#undef CAM_EP
#undef VIN_EP